Differences

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--- b:head_first_statistics:variability_and_spread [2020/09/21 14:33] – hkimscil
+++ b:head_first_statistics:variability_and_spread [2023/09/13 08:59] (current) – [Variability and Spread] hkimscil
@@ Line 59: / Line 59: @@
 >
 >
 > sapply(data,sd)
 [1] 1.825742 1.563472 7.362065
@@ Line 87: / Line 88: @@
 아웃라이어의 (극단치의) 문제
-''a <- c(1,1,1,2,2,2,2,3,3,3,3,3,4,4,4,4,5,5,5}
+<code>
-b <- c(1,1,1,2,2,2,2,3,3,3,3,3,4,4,4,4,5,5,5, 10}''
+a <- c(1,1,1,2,2,2,2,3,3,3,3,3,4,4,4,4,5,5,5}
+b <- c(1,1,1,2,2,2,2,3,3,3,3,3,4,4,4,4,5,5,5, 10}
+</code>
 range(a) vs. range(b)
@@ Line 198: / Line 201: @@
 [[:standard deviation]]
+====== Standard score ======
 [[:standard score]]
+$ z = \large\frac {x-\mu}{\sigma} $